56801771 has 16 divisors (see below), whose sum is σ = 63201600. Its totient is φ = 50709888.

The previous prime is 56801747. The next prime is 56801813. The reversal of 56801771 is 17710865.

It is a cyclic number.

It is not a de Polignac number, because 56801771 - 2¹⁴ = 56785387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56801671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129170 + ... + 129608.

It is an arithmetic number, because the mean of its divisors is an integer number (3950100).

Almost surely, 2^56801771 is an apocalyptic number.

56801771 is a deficient number, since it is larger than the sum of its proper divisors (6399829).

56801771 is a wasteful number, since it uses less digits than its factorization.

56801771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 56801771 is about 7536.6949653014. The cubic root of 56801771 is about 384.4034636511.

The spelling of 56801771 in words is "fifty-six million, eight hundred one thousand, seven hundred seventy-one".